Attachment method 4.5 in api reg pin threads, 5 thds per in., 3 in. Taper per foot, right hand, medium
A detachable, end cutting drilling tool with an internal thread or tapered socket at one end for attaching a rock drill rod. The opposite end is designed with two or more cutting edges for drilling into rock formation by impact and a slight rotary motion. It contains a hole or holes in the cutting for the purpose of conducting air or water to clear the hole being drilled. It is used with powered drifter drills, sinker drills, and the like.
Classification: Boring or sinking machinery, nesoi
NSN 5975-01-605-2629
NSN 5835-00-143-4153
NSN 6610-01-434-2044
NSN 6220-00-018-0047
NSN 5910-00-425-9452
NSN 5990-01-529-4679
NSN 6135-00-271-0407
NSN 5975-01-089-0716
NSN 5915-01-327-1478
NSN 6610-01-416-2738
NSN 5950-01-190-6480
NSN 6645-01-083-4759